HM Digital Water Quality TDS Meter HM Digital TDS-4TM
Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be re-calibrated with a mini-screwdriver. Recommended for aquariums & aquaculture, horticulture & hydroponics, pools & spas and water cooler professionals. SPECIFICATIONS TDS Range: 0-9990 ppm (mg/L) Temp. Range: 0-80 degrees Celsius Resolution: 1 ppm, 1 degree Celsius Accuracy: +/- 2% ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Fahrenheit) Power source: 2 x 1.5V button cell batteries (included) Battery life: 1000 hours of usage Dimensions: 14 x 2.3 x 1.5 cm (5.5 x .9 x .55 inches) Weight: 34g (1.2 oz)
Product Features
- Includes an internal digital thermometer (celsius).
- The smallest and lightest TDS meter available on the market.
- Hold Function - Saves measurements for convenient reading and recording.
- Auto-off function - Turns off meter after 10 minutes of non-use to conserve batteries.
- Dual Range - Measures from 0 - 999 ppm, with a resolution of 1ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image.
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